Rhus ANACARDIACEAE-AQUIFOLIACEAE Ilex 



3. Rhus Linn. Sumac : (:\^M (Ch'i Shu Shu) 



Shrubs or trees with simple or compound lvs. and petalous dioecious or polygamous 

 fls.: stamens 5; styles 3: fr. usually compressed. 150 species, subtropical and tem- 

 perate; 13 in China. (The old Greek name.) 



Key to the Species 



a. Lfts. serrate: infl. terminal: fr. red, hairy and glandular (Sect. 

 Sumac). 



Rachis of the If. winged: fls. creamy-white 1 . R. chinensis 



Rachis of the If. terete: fls. greenish 2. R. typhina 



aa. Lfts. entire: infl. axillary: f i . yellowish or greenish (Sect. Toxico- 

 dendron). 

 b. Fr. hispid; exocarp soon separating and falling off at maturity 



exposing the white endocarp: lfts. 13-17, pubescent beneath. 3. R. trichocarpa 

 bb. Fr. glabrous; exocarp not separating: lfts. 7-15. 



Lfts. pubescent beneath, ovate to oblong-ovate: brts. and 

 rachis pilose when young. 

 Lfts. to 12 cm. long: veins 18-25 prs., 5 mm. or less apart: 



f r. brownish yellow 4. R. sylvestris 



Lfts. to 16 cm. long: veins 8-16 prs., over 5mm. apart: fr. 



straw yellow 5 . R. verniciflua 



Lfts. glabrous, elliptic-lanceolate: brs. and rachis glabrous .. 6. R. succedanea 



1. Rhus chinensis Mill. (R. semialata Murr., R. javanica Thunb., not Linn, i^jftyfc 

 (Yen Fu Mu; Salt-bark Wood) (R.M. 543). Shrub or tree, to 8m.; fls. VIII-IX; 

 fr. X. China, Japan, Hawaiian Islands; locally in An., Che., KL, Ku. Brushland 

 and woodland. 



2. Rhus typhina Linn. Staghorn Sumac (R.M. 542). Shrub or tree, to 10m.; fls. 

 VI- VII; fr. VIII-IX; lfts. serrate. Introduced from eastern North America; locally 

 in Ku. Planted, ornamental. 



3. Rhus trichocarpa Miq. %$?© (Mao Ch'i Shu; Hairy Varnish-tree) (R.M. 543). 

 Shrub or tree, to 8 m.; fls. V-VI; fr. hairy, VII-VIII. Japan, China; locally in 

 An., Che., Ki. Brushland and woodland. 



4. Rhus sylvestris Sieb. & Zucc. WWM (Yeh Ch'i Shu; Wild Varnish-tree) (R.M. 

 544). Tree, to 10 m.; fls. V-VI; fr. IX-X. China, Japan, Korea; locally in An., 

 Ki., Ku. Woodland and forest. 



5. Rhus verniciflua Stokes (R. vernicifera DC.) Varnish Tree fflffi (Ch'i Shu) 

 (R.M. 544). Tree, to 20 m.; fls. V-VII; fr. VIII -X. Japan, China, Himalayas; 

 locally in Ki., Ku. Woodland, forest. Fig. 213. 



6. Rhus succedanea Linn. Wax Tree fcJBffl. (Mu La Shu) (R.M. 544). Tree, to 10 

 m.; fls. V; fr. X. Southern and eastern Asia; locally in An., Che., Ku. Wood- 

 land. 



95. AQUIFOLIACEAE Holly Family ^fff4 (Tung Ch'ing K'o) 



Trees or shrubs, usually dioecious, with alternate simple lvs. and small axillary 

 regular fls.: stamens 4-5, free; disk wanting; ovary 3-many -celled: fr. a berry-like 

 drupe. 3 genera and over 300 species, temperate and tropical; one genus and 50 

 species in China. 



1. Ilex Linn. Holly £-WJ§ (Tung Ch'ing Shu) 

 Lvs. often with spiny teeth: petals broad, joined at the base; sepals persistent. 



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